The phrase "a mean educational level" is correct and usable in written English.
It can be used when discussing the average or typical level of education within a specific group or population.
Example: "The study revealed that the mean educational level of the participants was a bachelor's degree."
Alternatives: "average educational level" or "typical educational level."
The majority of women were highly educated with a mean educational level of 18.7 years.
The AD patients had a mean educational level (±SD) of 3.25 (±0.6) according to the classification of Barbizet and Duizabo [ 46].
Participants had a mean age of 47.5 (sd = 9), a mean educational level of 12.2 (sd = 1.7) and a mean of 8 (sd = 7.7) lifetime hospitalizations with the first on average occurring at the age of 25 (sd = 5.8).
Age ranged from 49 to 92 years (M = 68.6 years; SD = 7.8 years), and participants had a mean educational level of 12.5 years (SD = 3.0 years; range 7 20 years).
The AD patients had a mean educational level (±SD) of 3.32 (±0.41) using the classification of Barbizet and Duizabo [ 46]: illiterate (educational level EL 1—); able to read, to write and to count (EL 2); 6 years of education (EL 3); 9 years of education (EL 4); 11 or 12 years of education (EL 5); 13 years of education (EL 6); and more than 13 years of education (EL 7).
In the Champion's study, women were 50 years or more with a mean of 61 and had a high mean educational level (12.5 years).
The HIV+/trauma+ group had a lower mean educational level (M = 10.5, SD = 1.2) compared to the HIV-/trauma- controls (M = 11.4, SD = 1.2).
Compared with Christians, however, Muslims were neither less educated (mean educational level, 3.70 for Muslims and 3.36 for Christians; P =.12) nor more noncompliant (2.18% (6/275) of Muslims were noncompliant vs 2.00% (13/660) of Christians; P =.83).
Baseline maternal characteristics of responders and non-responders to the postpartum questionnaire were similar in most respects although women who did not return their postpartum questionnaires were slightly younger (mean age, 28.6 vs. 29.8 yr)., less educated (mean educational level, 14.3 vs. 15.8 yr).
We tested 12 patients (four males and eight females, mean age 70.6 years-range 60 78 years-; mean educational level 5.7 years) with a clinical diagnosis of probable mild Alzheimer's Disease and compared their performance with that of 12 normal participants matched for age (mean 71.4 years; range 60 81), educational level (mean 5 years; range 3 7 years) and gender (five males and seven females).
The variables were: years of residence, household size, number of laborers in a household (including labor migrant members), mean age of laborers, and mean educational level of laborers.
